Methods To combine Systemic Cluster with Discriminant Analysis, Specimen Cluster Analysis with Rank Sum Ratio(RSR), Factor Analysis with Discriminant Analysis.
方法聚类分析与判别分析相结合;样品聚类与秩和比法相结合;因子分析与判别分析相结合。
Using the method combining systemic sampling and cluster sampling together, we select 972 persons to be the inquisition object, collecting 890 valid questionnaire, with 91.6% efficiency .
调查采用分层整群抽样的方法,选取972人作为调查对象,得有效调查问卷890份,有效率为91.6%。
Using the method combining systemic sampling and cluster sampling together, we select 972 persons to be the inquisition object, collecting 890 valid questionnaire, with 91.6% efficiency .
调查采用分层整群抽样的方法,选取972人作为调查对象,得有效调查问卷890份,有效率为91.6%。
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